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第 19 题 _____ had enough time, they would have visited the Great Wall.

A) Had they 

B) Have they

C) Would they have

D) If they

说明：根据下面内容写一封投诉信。 写信日期：3月20日。 投诉人：陈明 投诉对象：百货公司 投诉商品：Smith啤酒 投诉原因：过了保质期，包装与内容不符等 投诉要求：退货或换货 提出希望：尽快回复 注意信函格式! Words for reference： 保质期expiry date

You can experience a fast internet connection in the same way as you do in the office

A.more

B.much

C.better

D.most

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第 28 题 A few simple (modify) ________ to this work would greatly improve it.

说明：请以周利的名义给神华医院写一封感谢信。 时间：3月21日。 内容： 1．感谢神华医院治好了自己的病； 2．由于自己经济条件有限，神华医院免费为自己治疗； 3．给自己提供很多便利条件，并为自己进行复查； 4．再次表达感谢。 Words for reference： 感谢gratitude

As a police officer, you are trained to stay calm even in extremely (danger) ___________situations.

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第 20 题 Mary is always ready to help others when they are in trouble and she never __ their requests.

A) turns up 

B) turns over

C) turns in 

D) turns down

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第 5 题 Do you know how much it costs?

A) It's Friday.

B) It matches me well.

C) I bought it in the department store.

D) Sorry, I don't know.